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' W. R. EDELEN. UPSETTING. MAUHINE.

No. 417,669. Patented Dec. 17, 1889.

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UPSETTING MAGHINE.

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Patented Dec. 17, 1889.

' UNITED STATESv PATENT OFFICE.

'VVILLIAM R. EDELEN, OF CLEVELAND, OHIO, ASSIGNOR TO CHARLES S. SEATON AND JOHN A. SEATON, BOTH OF SAME PLACE.

UPSETTING-MACH'INE.

SPECIFICATION forming part of Letters Patent No. 417,669, dated December 1'7, 1889.

Application filed August 1, 1889. Serial No. 319,394. (No model.)

To all whom it may concern:

Be it known that I, WILLIAM R. EDELEN, of Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Upsetting-Machines for Bolts, &c.; andI do hereby declare the fol lowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.

My invention relates to improvements in upsetting-machines for bolts, &c.; and it consists in certain features of construction and in combination of parts hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a side elevation. Fig. 2 is a plan. Fig. 3 is a front end elevation. Figs. 4 and 5 are elevations in transverse section, respectively, on lines :0 x and y y, Fig. 1. Figs. 6 and 7 are views in perspective in detail. Fig. 8 is a detail of plate 0. I I

A represents the base or frame of the machine, the same having mounted on the one end thereof steam-cylinder B. The pistonrod B connects with cross-head E the latter being adapted to reciprocate .on' ways a of the bed. The valve-rod b is operated by means of tilting lever I), this lever being fulcrumed at W. The lower end of this lever connects with the upper end of 'tilting lever C. The latter is fulcrumed at C and the lower end thereof connects with rod 0. The latter in turn connects with hand-lever c, the lever being .fulcrumed at 0 By operating this handlever the valve is shifted to operate the piston of the steam-cylinder. Lever 1), near the lower end thereof, has attached an abutmentscrew b presenting forward, this screw being adapted to engage the cross-head on the rearward stroke of the latter and just in time to shift the valve, so that the piston is at least cushioned and cannot therefore collide with or damage the rear cylinder-head. Lever C has attached a rod 0 this rod extending forward and terminating in ahook end C This hook near the extreme forward movement of the cross-head is engaged by a corresponding hook B of the cross-head, the engagement of these hooks causing the valve-rod to be moved forward in time toprevent the piston from engaging the forward cylinder-head. In case, therefore, the grasping-dies, hereinafter described, should fail to hold the blank firmly, no damage would accrue by reason of the pis- 5 5 ton moving too far forward. v

A A are housings or heavy upright side pieces cast integral with bed A and cast integral with end wall A the latter connecting the side pieces, the end wall being solid, except that it has an opening a opposite the die, through which opening the blanks are inserted. The housings and bed have external vertical recesses a, in which operate the legs of yoke D, these legs having an easy fit in the recesses, so that the yoke may reciprocate a limited distance endwise.

E E are the dies, the same fitting snugly between the housings, the forward end of the dies abutting end wall A These dies, for convenience, are of the four-sided variety shown, each facethereof having a recess, and the different recesses being of different sizes to accommodate different-sized blanks. The forward section e of each recess is in diameter adapted to graspthe blank firmly, while the rearward section e of each recess is larger in diameter, the blanks being upset to fill the enlarged section of the dies. The lower die rests on the bed and the upper die is fastened to yoke D, so that the upper die rises and falls with the yoke, with the head of the yoke resting always on the die.

Above the housings, and resting thereon and firmly bolted thereto, is a heavy cap F. A shaft G extends through a lateral hole in the cap and is journaled therein, and on the ends of this shaft are secured depending links g. The lower ends of these links, by means of lateral studs g, are pivotally connected with the upper ends of links H. The lower ends of links H are pierced laterally for receiving shaft it, this shaft extending through lateral holes (1, made in the lower ends of the legs of yoke D. Links 9 and H constitute toggles, and when the links are in line the yoke is depressed in position, closing the dies E E. When the links are swung forward and out of line, the yoke is .of course elevated, thus separating the dies, (see Fig.

5,) such angular position of the toggles being shown in solid lines, Fig. 1, while in dotted lines is shown the position of the toggles and connected mechanism with the dies closed. Connected with studs g are connecting-rods I, the latter being pivoted at t' to rock-arm J, these arms being mounted on shaft J This shaft extends through lateral holes in the bed, and inside the latter has mounted thereon arms J The upper ends of arms J 2 are provided with rollers j, adapted to engage the cross-head. \Vhen the cross-head is in its rearward position, arms J J stand approximately vertical, in which, position of parts the toggle-links are bent forward and the dies are consequently opened. The crosshead, in moving forward, engages roller j and turns arms J forward and downward, thus moving arms J rearward to the position shown in dotted lines in Fig. 1, thereby closing the dies upon the blank and holding the dies closed during the still further forward movement of the cross-head. In case it is desired to make more than one stroke of the machine without opening the dies the following mechanism provided for holding the dies closed during such extra strokes:

K is a treadle connecting with the lateral arm of bell-crank lever L, the latter being f ulcrumed at the elbow thereof. The upright arm of lever L is connected with rod L, leading to rock-arm Z, the latter being fulcrumed at Z. \Vith arm J in position closing the dies, by depressing treadle K arm I is swung underarm J, thus blocking the latter and holding the dies closed, after which the crosshead maybe operated without opening the dies. Spring Z returns arm I and the treadle to their normal position on removing the pressure from the treadle. For reversing arms J and connected mechanism whereby the dies are opened bent arms M are provided, the same being located inside the bed, to which they are pivoted at m, and having attached springs m, these bent arms pressing against the front side of arms J Vith the rearward movement of the cross-head the tension of the springsm returns arms JJ to their upright positions, thereby opening dies N is a standard secured to the bed and provided with cap N, the cap and standard along the line of union being bored to fit the upsetting-plunger n. The rearward end of the plunger has an enlarged head a, and the cross-head has a corresponding hammer-head b these two heads being constructed, preferably, of hardened steel or other suitable metal for giving and receiving hard blows. The forward end 21. of the plunger fits the enlarged bore a of the die for upsetting the blank therein. Consequentlydifferent plungers are provided for each sized recess 6 of the dies, these plungers being readily changed by removing cap l This machine is used for various purposesfor instance, in upsetting the end portion of bridge-bolts to form an enlarged cylindrical section on which to cut the threads, so that the screw-threaded sections will be equally strong with the other portions of the bolt. The machine is also used for upsetting the blanks to form heads-square, hexagonal, or octagonal, as the case may bethe dies having been recessed accordingly. \Vith the first stroke of the upsetting-plunger fins are likely to be formed where the dies close together, and hence the blank should be turned on its axis before the next blow of the plunger is delivered. For this purpose it is provided as follows:

P is a disk having a large central opening P, that registers with opening a aforesaid. This disk in the vertical position shown is journaled at the forward end of the machine and serves as a hand-wheel or vertical turntable. For journaling this disk a plate 0 is bolted to the forward end of the machine, the plate having inwardly-projecting se mental fianges 0, each segment thereof being a trifle less than a quarter-circle, and these segments having their inner edges undercut. Disk P has corresponding rearwardly-projecting segmental flanges P the outer edges of which are undercut to fit flanges O, the two sets of flanges forming a circular dovetail constituting a journal-bearing for the disk. There is just room enough between the opposing ends of flanges O to enter flanges P after which by turning disk P in either direction the flanges interlock, and the disk may be rotated nearly a half-turn without disengaging the curved'flanges, whereas it is only necessary to rotate the disk a quarter-turn in case of forging square heads.

Vith hexagonal or octagonal heads the blank requires to be turned only a sixth or eighth of a revolution at a time.

The grippers for turning the blank are as follows: R R are levers fulcrumed in common on stud R the latter being attached to disk P. The inner ends of these levers are provided with removable jaws R adapted to grasp the'blank, and hence these jaws are changed for different-sized blanks. Links 0' 1- are pivoted to the respective levers R R, and said links being pivoted together on pin 7" they constitute a toggle for opening and closing jaws R, and pin 0' extends rearward far enough to serve as a handle with which to operate the toggle by hand or otherwise. A spring 7 of the so-called C variety, is fastened to the levers, as shown, the tension of this spring tending to hold the jaws open, and consequently when the toggle-links are turned outward a trifle past the central line the action of springiwill open jaws R wide, and in straightening the toggles to close the jaws spring 0' is of course compressed. Disk P has notches p, 1), p and p on the periphery thereof, and these notches are engaged by tongue S of spring-actuated lever S, the latter being fulcrumed at S The free end of the leveris connected by rod 3' with treadle .8 By depressing the treadle, lever S is .turned down, against the action of spring 8,

rotate the. blank.-

T is a stationary sector having a curved' slot T, in which slot operates a bolt for se-f.

Thestop is of the variety curing stop 15. shown and is adjusted along the slot of the sector, so that the stop will engage pin 4" when the disk shall have been rotated an eighth, sixteenth, or quarter turn, as the case may be, the engagement of the pin and stop causing a deflection of the toggle-links, whereby jaws R are opened and the blank released, and this occurs before the closing of the grasping forging-dies E E aforesaid. Openings a and P aforesaid are supposed to be opposite the opening of the dies E E when the latter are in position wide open, and consequently when the blank rests on the lower die E the blank is in position somewhat below the centerof-openingo, and opening P. the open dies E E the blank must be raised 7 from off the lower die, and for this purpose lever R is provided with a handle R by depressing which jaws R and the blank are elevated the necessary distance to bring the latter in a central position between the open dies E E and in a central position relative to openings a and P ,-and consequently the blank when thus elevated is concentric with the axis of disk P, and hence the rotation of the disk does not change the axis of the blank.

The latter, therefore, during its rotation remains centrally between the open dies E E. For holding levers R R in position for ele-.

vating the blank during the rotation of the latter there is provided a lever U, pivoted at U to lever B, so as to turn laterally. The outer end of lever U terminates in a handpiece U and the inner end of this lever has a rearwardly-projecting lip U for engaging catch V. The catch is shaped substantially like stop 6 aforesaid, the catch, however, standing at right angles to the stop-that is to say, the catch projects forward and has the incline thereof uppermost, so that in depressing the lever B. if lip U should engage with the catch it would be snubbed back, the lip U being thrust under the catch by means, of course, of hand-piece U Spring to bears against lever U in the direction to hold the lip disengaged from the catch. Lever U has a rearwardly-projecting rub-iron or boss 21., that is engaged by one of the toggle-links when the latter are in line, by

Before turning the blank between against the action of spring at in position with lip U? engaging the catch. WVh'en the toggle-links are deflected by means of pin r" engaging stop If, lever U is simultaneously released by means of the engaging-link moving away from boss u, and spring a reverses lever U, thereby releasing lip U from catch V, whereupon the gravity of the blank turns down the inner ends of levers R R whereby the blank is deposited on the lower die E;

A bracket W is connected with disk P, this bracket having a vertical slot in which operates the securing-bolt that fastens catch V to the bracket, and by means of the slot the catch is adjusted vertically to bring the blank at the proper elevation when lip U engages the catch. This mechanism for turning the blank is omitted in Fig. 1.

WVhat I claim is 1. In an upsetting-machine, the combination, with a stationary die, a reciprocating yoke, a movable die carried by said yoke, and an upsetting plunger, of toggle-levers connected with said yoke, and mechanism for operating said toggle-levers to reciprocate the yoke and actuate the upsetting-plunger, substantially as set forth.

2. In an upsetting-machine, the combination, with suitable frame-work, of 'a stationary die secured thereon, a vertically-reciprocating yoke, a die carried by the yoke over the stationary die, toggle-levers connected with the yoke, an upsetting -plunger, and means for automatically operating the togglelevers to reciprocate the yoke and actuate the upsetting-plunger, substantially as set forth.

3. In an upsetting-machine, the combination, with dies, toggles for opening and closing the dies, and plunger adapted to upset the blank in the dies,.of steam-operated plunger for operating the upsetting-plunger, and suitable connecting mechanism, substantially as indicated, for automatically operating the toggles by the movement of the steam-hammer, substantially as set forth.

4.. In an upsetting-machine, the combination, with a steam-operated plunger, upsetting-plu nger, dies, and toggles for opening and closing the dies, of rock-arms operatively connected with the toggles, such rock-arms being operated in closing the dies by the movement of the steam-plunger in actuating the upsetting-plunger, a blocking device for holding such rock-arms in position closing the die, and a treadle for operating such blocking device, substantially as set forth.

5. In an upsetting-machine, the combination, with dies adapted to be opened and closed, of rotating disk having a central opening in front of the dies, and grippers adapted grippers mounted on the disk, such gripperarms having a common fulcrum, of hand-lever connected with the grippers for raising and lowering'the blank, and a catch for holding the grippers in position elevating the blank, such catch mechanism being held in engagement by the toggles in holding the gripperjaws closed, substantially as set forth.

In testimony whereof I sign this specification, in the presence of two witnesses, this 7th day of June, 1889.

WILLIAM R. EDELEN. lVitnesses:

CHAS. H. DORER, WILL B. SAGE. 

